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Real-World Applicationsmedium
0:00.0

A shop sells 222 types of coffee. Blend A costs \12/kg,BlendBcosts/kg, Blend B costs /kg,BlendBcosts$18/kg.Tomakea/kg. To make a /kg.Tomakea10kgmixcostingkg mix costingkgmixcosting$15$/kg, how much of Blend A is needed?